Portion of a vacuum cleaner



FIG. 1 is a front elevational view of my new ornamental design;

FIG. 2 is a left side elevational view of my ornamental design;

FIG. 3 is a right side elevational view of my new ornamental design;

FIG. 4 is a top plan view of my new ornamental design;

FIG. 5 is a front elevational view of a second embodiment thereof;

FIG. 6 is a left side elevational view of the alternate embodiment as shown in FIG. 5;

FIG. 7 is a right side elevational view of the alternate embodiment as shown in FIG. 5; and,

FIG. 8 is a top plan view of the alternate embodiment as shown in FIG. 5.

The details shown in broken lines are shown for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a portion of a vacuum cleaner, as shown and described. 